/Engine/Source/Runtime/RHI/Public/DynamicRHI.h
void RHIUpdateUniformBuffer ( [FRHICommandListBase](API\Runtime\RHI\FRHICommandListBase) & RHICmdList, [FRHIUniformBuffer](API\Runtime\RHI\FRHIUniformBuffer) * UniformBufferRHI, const void * Contents )